Loans (Summary Of Loans Receivable Outstanding) (Details) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2013	Dec. 31, 2012
Loans [Line Items]
Total loans	$ 511,376	$ 522,363
Commercial [Member]
Loans [Line Items]
Total loans	25,995	28,314
Agriculture [Member]
Loans [Line Items]
Total loans	4,457	4,328
Consumer Installment Loans [Member]
Loans [Line Items]
Total loans	27,179	29,445
All Other Loans [Member]
Loans [Line Items]
Total loans	168	178
Real Estate [Member]
Loans [Line Items]
Total loans	453,577	460,098
Real Estate [Member] | Commercial [Member]
Loans [Line Items]
Total loans	144,880	149,935
Real Estate [Member] | Construction And Land Development [Member]
Loans [Line Items]
Total loans	22,945	24,327
Real Estate [Member] | Residential 1-4 Family [Member]
Loans [Line Items]
Total loans	240,514	240,201
Real Estate [Member] | Multifamily [Member]
Loans [Line Items]
Total loans	13,343	12,567
Real Estate [Member] | Farmland [Member]
Loans [Line Items]
Total loans	$ 31,895	$ 33,068